Siemens SIRIUS 3RT2 Power contactor, S2, 3-pole, 1NO+1NC, 24VDC coil, 22kW, 50A
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Siemens SIRIUS 3RT2 Power contactor, S2, 3-pole, 1NO+1NC, 24VDC coil, 22kW, 50A Part number 3RT2036-3KB40

EAN / Barcode 4047621010014
Product Type Control Panel
Product Class Power contactor, AC switching
ETIM Class Power contactor, AC switching
Out of Stock
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Product Description

Power Contactor

The SIRIUS 3RT2 power contactor is designed for switching motors and auxiliary and control circuits, offering reliable performance in a compact design.

Technical details:

  • Type: AC-3e/AC-3
  • Rated current: 51 A
  • Rated power: 22 kW / 400 V
  • Number of poles: 3-pole
  • Control voltage: 24 V DC
  • Operating range: 0.8-1.2* Uc
  • Integrated varistor
  • Auxiliary contacts: 1 NO + 1 NC
  • Main circuit: screw terminal
  • Control and auxiliary circuit: spring-loaded terminal
  • Frame size: S2
  • Suitable for PLC outputs
  • Climate-resistant
  • Approved for worldwide use (e.g. IEC and UL/CSA)
  • IE3/IE4-ready

Customer benefits:

  • Part of the modular SIRIUS system with optimally coordinated products.
  • High contact reliability in a compact design.
  • Can be combined with a variety of other components in the load feeder.
  • Factory tested device combinations.
  • Integrated auxiliary switches reduce design complexity.
  • Front-panel terminals simplify wiring.
  • Available with spring-type terminals for fast, maintenance-free, and vibration-proof connection.
  • Simple, efficient, and always up to date with the SIRIUS modular system.

Technical Specifications

Depth130 mm
Height114 mm
Modular versionYes
Number of auxiliary contacts as normally closed contact1
Number of auxiliary contacts as normally open contact1
Number of normally open contacts as main contact3
Operating voltage AC 50 Hz690 V
Operating voltage AC 60 Hz690 V
Rated control supply voltage DC24 V
Rated operation current Ie at AC-1, 400 V70 A
Rated operation current Ie at AC-3, 400 V51 A
Rated operation current Ie at AC-4, 400 V41 A
Rated operation power at AC-3, 400 V22 kW
Rated operation power NEMA29.419952 kW
Type of electrical connection of main circuitScrew connection
Voltage type for actuatingDC
Width55 mm
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